“We listened closely to our customers in developing our latest PCIe clock generators and clock buffers, ensuring they meet or exceed customers most stringent performance, power and board space requirements,” said Kris Rausch, vice president and general manager of IDT’s Timing Products Division. “These latest devices are another example of IDT’s long leadership in PCIe timing and are ideal for our customers creating next-generation data center and networking solutions based on PCIe Gen4, including servers, SSDs, NICs, FPGA and GPU-based accelerator cards, and Ethernet and optical modules.”

Complementing the PhiClock generators are IDT’s new enhanced 9Z clock buffer family. The 9Z buffers offer fanout, 1 MHz and 3 MHz bandwidth zero-delay operating modes, providing flexibility to support the most complex timing trees with a single device. Unlike many existing solutions, whose performance limitations force their use in fanout buffer mode, the 9Z family supports prominent CPU phase jitter requirements in all three operating modes. The extremely low 50 fs rms PCIe Gen4 additive phase jitter of the 9Z clock buffers enables complex implementations requiring cascading while still meeting PCIe Gen4 requirements. These 9Z clock buffers are also ideal for interfacing with IDT’s high-performance oscillators when board designs require a wide clock distribution from a single source.

Like the PhiClock devices, these new clock buffers offer savings of up to four resistors per clock output for maximal board savings. Both families also support the upcoming 25G Extended Data Rate Cache Coherency Interconnect for Accelerators (CCIX®) clocking standard.

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